You knew how to fix things.
You dad could change the oil, belts, and hoses on his car. Probably even the spark plugs. He took it to a mechanic only when it was something serious that needed skilled labor to take care of (like the brakes). And fixing a leaky faucet or a wonky light socket was something he could handle before lunchtime, because every man worthy of the name had a toolbox with assorted washers, screws, and bolts. If the TV was on the fritz, the Radio Shack downtown had a Tube Tester....
These days, your car has more total computing power than an Air Force fighter jet. God help the amateur who tries to make repairs. Quickie service places are as common as fast food restaurants. TVs and other electronic devices are all "factory sealed", and it's easier and cheaper to just by a new one.